Green Cement

A new electrochemical process for making cement has been developed by researchers at MIT. Although the process isn’t ready to scale yet, the potential to reduce greenhouse emissions from this critical building material is immense.    Cement is currently responsible for 8% of global greenhouse gas emissions because the typical process for making Portland cement requires […]

New Trains Run on Hydrogen Fuel Cells – Only Waste Is H2O

I saw recently that a company called Alstom has created working trains that run on hydrogen and produce only water and steam emissions. Right now, the company’s trains have started a pilot program in Germany with two trains currently running. They plan to add 14 more by December 2021 and have announced expansion plans to […]

FEATURED TESTIMONIAL – Have Courage, You Can Pass the PE!

“I was in near disbelief to read “Exam Result: Pass.”  Six months of study and it PAID OFF!  It had been 12 years since the last time I was in a college classroom and 8 of those years were not doing engineering work. (5 years in seminary and 3 years running a small engine repair […]

Happy Holidays from Santa!

Santa sent us a special holiday greeting and we wanted to share it with you! Even better, we’re sharing our new payment options, lower prices and longer access with you over the holidays and into the new year. So give yourself an extraordinary gift this year – Become a PE, with help from DTC. Happy […]

PE EXAM TIP – Choose the Right Exam

Whether you’re a Civil Engineer or a Mechanical Engineer, choosing the right exam to take can make all the difference. And not all exams are created equal! Some have a wider range of topics, problems types and references that make them more difficult to prepare for and pass. Others require familiarity with fewer references and […]